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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Siglufjörður in Iceland


Earthquake location 66.2726S, -18.6721WA light earthquake magnitude 4.5 (ml/mb) has occurred on Sunday, 17 kilometers (11 miles) from Siglufjörður in Iceland. Event id: us7000ac7b. Ids that are associated to the earthquake: us7000ac7b. The temblor was detected at 19:14:49 / 7:14 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude -18.6721 West, latitude 66.2726 North, depth = 10 km. Exact time and date of event in UTC/GMT: 21/06/20 / 2020-06-21 19:14:49 / June 21, 2020 @ 7:14 pm. The earthquake occurred at a depth of 10 km (6 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Sauðárkrókur, Akureyri. Epicenter of the event was 71 km (44 miles) from Akureyri (c. 17 700 pop), 73 km (45 miles) from Sauðárkrókur (c. 2 600 pop). Nearby country/countries that might be effected, Iceland (c. 309 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been eleven, in the last 10 days twelve, in the past 30 days twelve and in the last 365 days thirteen earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light earthquakes in the world.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 17 km NE of Siglufjörður, Iceland.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -18.6721° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 66.2726° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 17 km NE of Siglufjörður, Iceland Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-06-21 19:14:49 Time when the event occurred. UTC/GMT
Updated 2020-07-06 15:59:55 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 312 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.889 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.58 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 97 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000ac7b Id of event.
Event Code 7000ac7b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000ac7b, A comma-separated list of event ids that are associated to an event.

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